Mohs hardness 4 rocks & minerals
Mohs hardness 4 is referenced by fluorite. Minerals at this hardness scratch with a steel knife but are too hard for a coin.
Showing 241–360 of 1910 rocks (page 3 of 16).
Burbankiteraremineral · Mohs 3.5yellow, pink, white
Burkeiteraremineral · Mohs 3.5white, gray, pale yellow
Burtiteraremineral · Mohs 3.5colorless, white
Buryatiteraremineral · Mohs 3.5white, colorless- No imageBuseckiteraremineral · Mohs 3.5-4black, brown
- No imageBushmakiniteraremineral · Mohs 3-4yellow, greenish-yellow, olive-green
- No imageBusseniteraremineral · Mohs 3-4yellow, brown
Byelorussite-(Ce)raremineral · Mohs 4-5yellow, brown- No imageBykovaiteraremineral · Mohs 4yellow, brown, yellowish-brown
Byströmiteraremineral · Mohs 4-5yellow, yellow-orange, colorless- No imageByzantieviteraremineral · Mohs 4-5yellowish-brown, brown
Cabalzariteraremineral · Mohs 3.5yellow, orange-yellow
Cabriiteraremineral · Mohs 3.5-4pinkish-white, bright metallic- No imageCabviniteraremineral · Mohs 4white, colorless
Cacoxeniteuncommonmineral · Mohs 3-4yellow, golden-yellow, orange
Cadmoinditeraremineral · Mohs 3-4black, dark gray
Cadmoseliteraremineral · Mohs 3.5-4black, dark gray
Cafetiteraremineral · Mohs 3-4yellow, brown, colorless
Calaminecommonmineral · Mohs 4.5-5white, colorless, blue- No imageCalcified Coralcommonfossil · Mohs 3-4white, brown, tan
- No imageCalcinaksiteraremineral · Mohs 4-5colorless, white
Calcioancylite-(Ce)raremineral · Mohs 4-4.5yellow, brown, tan
Calcioancylite-(Nd)raremineral · Mohs 4-4.5yellow, brown, pink- No imageCalcioburbankiteraremineral · Mohs 3.5white, pale yellow, colorless
Calciohilairiteraremineral · Mohs 4yellow, brown, colorless- No imageCalciolangbeiniteraremineral · Mohs 3-3.5white, colorless, pale yellow
- No imageCalciomurmaniteraremineral · Mohs 3-4pink, brown, lavender
Calciotantiteraremineral · Mohs 4colorless, white, yellow
Calcjarliteraremineral · Mohs 4colorless, white, gray- No imageCámaraiteraremineral · Mohs 3.5yellow, brown
Cameroniteraremineral · Mohs 3.5-4brass-yellow, pale gold- No imageCamgasiteraremineral · Mohs 3-4white, colorless
- No imageCaminiteraremineral · Mohs 3-3.5white, colorless, pale yellow
- No imageCanosioiteraremineral · Mohs 3.5yellow, yellowish-orange
Capranicaiteraremineral · Mohs 3.5colorless, white
Carbonatiterareigneous · Mohs 3-4white, gray, tan
Carletoniteraremineral · Mohs 4-4.5blue, colorless, white- No imageCarlfrancisiteraremineral · Mohs 3.5dark brown, brownish red, black
Carlfriesiteraremineral · Mohs 3.5yellow, pale yellow- No imageCarlgieseckeite-(Nd)raremineral · Mohs 4-5reddish-brown, brown
Carlhintzeiteraremineral · Mohs 3.5colorless, white
Carlosbarbosaiteraremineral · Mohs 3-4yellow, yellowish-orange
Carlsbergiteraremineral · Mohs 3.5silver-white, gray
Carminiteraremineral · Mohs 3.5carmine-red, reddish-brown, orange-red
Carrolliteraremineral · Mohs 4.5-5.5light steel-gray, white, iron-black- No imageCaryiniteraremineral · Mohs 3.5yellow, yellowish-brown, brown
- No imageCaryochroiteraremineral · Mohs 3-4brown, reddish-brown
Caryopiliteraremineral · Mohs 3-4brown, yellow-brown, red-brown- No imageCassagnaiteraremineral · Mohs 4red, orange-red, brownish-red
Cassidyiteraremineral · Mohs 4green, yellowish-green
Caswellsilveriteraremineral · Mohs 3.5black, gray- No imageCatamarcaiteraremineral · Mohs 3-3.5gray, black
Cavansiteraremineral · Mohs 3-4bright blue, azure blue, greenish blue
Caysichite-(Y)raremineral · Mohs 4.5white, yellowish-white, colorless
Cebaite-(Ce)raremineral · Mohs 4.5yellow, brown, colorless
Čechiteraremineral · Mohs 4.5-5black, brownish black
Celestinecommonmineral · Mohs 3-3.5colorless, white, pale blue
Celestitecommonmineral · Mohs 3-3.5colorless, white, pale blue- No imageCelestite Concretionscommonmineral · Mohs 3-3.5blue, white, colorless
Cerchiaraite-(Al)raremineral · Mohs 4yellow, brown, colorless
Cerchiaraite-(Fe)raremineral · Mohs 4yellow, brown- No imageCerchiaraite-(Mn)raremineral · Mohs 4yellow, brown, orange-brown
Černýiteraremineral · Mohs 3.5black, grayish-black
Cerussitecommonmineral · Mohs 3-3.5colorless, white, gray
Cervandonite-(Ce)raremineral · Mohs 4-5black, brownish-black
Cervantiteuncommonmineral · Mohs 4-5yellow, white, gray
Cesàroliteraremineral · Mohs 4dark gray, black
Chabazitecommonmineral · Mohs 4-5white, colorless, pink
Chabazite-Cacommonmineral · Mohs 4-5white, colorless, yellow- No imageChabazite-Kuncommonmineral · Mohs 4-5white, colorless, yellow
- No imageChabazite-Mgraremineral · Mohs 4-5white, colorless, yellow
- No imageChabazite-Nacommonmineral · Mohs 4-5white, colorless, yellow
Chabazite-Srraremineral · Mohs 4-5white, colorless, pink
Chabournéiteraremineral · Mohs 3-3.5dark gray, black
Chalcopyritecommonmineral · Mohs 3.5-4brass-yellow, iridescent, gold
Chalcosideriteraremineral · Mohs 4.5green, yellow-green, blue-green
Chalcostibiteraremineral · Mohs 3-4lead-gray, steel-gray, iron-black
Chaméaniteraremineral · Mohs 3-3.5dark gray, black
Changbaiiteraremineral · Mohs 3.5colorless, white- No imageChangchengiteraremineral · Mohs 3.5gray, white
Chantaliteraremineral · Mohs 4.5colorless, white- No imageCharleshatchettiteraremineral · Mohs 4-5yellow, brown, white
- No imageCharlevoix Stonecommonfossil · Mohs 3-4gray, white, beige
Chatkaliteraremineral · Mohs 3.5-4pinkish-brown, light copper-red
Chelkariteraremineral · Mohs 3-4colorless, white
Chenevixiteraremineral · Mohs 3.5green, yellow-green, dark green- No imageChengdeiteraremineral · Mohs 3.5-4white, silver-white
Chenguodaiteraremineral · Mohs 3-3.5silver-white
Chernovite-(Y)raremineral · Mohs 4-5yellow, brownish-yellow, yellowish-brown
Chervetiteraremineral · Mohs 3.5yellow, yellowish-orange
Chiappinoite-(Y)raremineral · Mohs 4white, colorless
Chioliteraremineral · Mohs 3.5-4white, colorless- No imageChirvinskyiteraremineral · Mohs 3-4yellow, yellowish-brown, brown
- No imageChladniiteraremineral · Mohs 4-5yellow, yellowish-brown, colorless
Chlorbartoniteraremineral · Mohs 3-3.5dark green, olive green, black
Chlorophoeniciteraremineral · Mohs 3-3.5pink, reddish-pink, yellowish-orange- No imageChopiniteraremineral · Mohs 4.5colorless, white, pale yellow
- No imageChovaniteraremineral · Mohs 3-3.5lead-gray, black
- No imageChrombismiteraremineral · Mohs 4dark brown, black
Chrysocollacommonmineral · Mohs 2-4blue, blue-green, green- No imageChukanoviteraremineral · Mohs 3.5pale green, white, colorless
- No imageChukhrovite-(Ca)raremineral · Mohs 3-4white, colorless, violet
- No imageChukhrovite-(Ce)raremineral · Mohs 3-4white, colorless, pale violet
- No imageChukhrovite-(Nd)raremineral · Mohs 3-4white, pale pink, pale yellow
Chukhrovite-(Y)raremineral · Mohs 3-4white, colorless, violet- No imageChvilevaiteraremineral · Mohs 3.5yellow, brownish-yellow
- No imageCiriottiiteraremineral · Mohs 3.5dark brown, black
Clarkeiteraremineral · Mohs 4reddish-brown, brown, yellowish-orange- No imageCleriteraremineral · Mohs 3-3.5lead-gray, silver-white
Clifforditeraremineral · Mohs 3.5yellow, yellowish-green, colorless- No imageClino-oscarkempffiteraremineral · Mohs 3.5lead-gray, steel-gray
Clinobehoiteraremineral · Mohs 3-4colorless, white
Clinobisvaniteraremineral · Mohs 3-4yellow, orange-yellow, reddish-brown- No imageClinocervantiteraremineral · Mohs 4yellow, white
Clinokurchatoviteraremineral · Mohs 4-5brown, gray, yellowish-brown- No imageClinometaboriteraremineral · Mohs 3.5colorless, white
Clinophosinaiteraremineral · Mohs 4.5colorless, white, pale yellow
Clinoptilolite-Cacommonmineral · Mohs 3.5-4white, colorless, pink
Clinoptilolite-Kcommonmineral · Mohs 3.5-4white, colorless, yellow
Clinoptilolite-Nacommonmineral · Mohs 3.5-4white, colorless, gray
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